National Museum of Nuclear Science & History
Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
Frances T. Janis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Kay Tracy was Arthur Compton’s secretary at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Dorothy Lipps was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.